# App Lock vs 星图备注助手

The clearest difference is in-app purchases: 星图备注助手 at none against App Lock's 1. 星图备注助手 also leads on ads (none vs shown) and iOS requirement (13.4 vs 16.0). App Lock's advantage is update cadence (weekly vs monthly). On price and device support there is nothing between them.

Both are free to download. App Lock sells 1 in-app purchase, starting at $2.99 per month. 星图备注助手 asks for nothing beyond the download.

App Lock ships an update weekly, 星图备注助手 monthly. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | App Lock | 星图备注助手 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/app-lock-lock-apps-app-locker/id6467732552/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 82 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [小玲 黄](https://appshunter.io/developer/1651234772) | [双情 何](https://appshunter.io/developer/1740867028) |

## What reviewers say

### App Lock

[App page](https://appshunter.io/ios/app/app-lock-lock-apps-app-locker/id6467732552)

This app offers robust privacy and protection features for your device. Secure your applications with password or face unlock, prevent unwanted installations and deletions, and block in-app purchases. Customize restriction modes for different activities to manage screen time effectively.

**Highlights:** Password protection for apps, Prevent app installation, Prevent app deletion, Block in-app purchases, Customizable restriction modes, Face unlock support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | per month |


### 星图备注助手

[App page](https://appshunter.io/ios/app/id6502235033)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is App Lock free?

App Lock is free to download, with in-app purchases available.

### Is 星图备注助手 free?

星图备注助手 is free to download, with no in-app purchases.

### Do App Lock or 星图备注助手 have ads?

App Lock shows ads; 星图备注助手 does not.

### Which is updated more often, App Lock or 星图备注助手?

App Lock ships an update weekly, and 星图备注助手 monthly. Most recently, App Lock was updated on November 3, 2026 and 星图备注助手 on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*